<template>
  <div>
    <city-header></city-header>
    <city-search :cities="cities"></city-search>
    <city-list 
    :cities="cities" 
    :hot="hotCities"
    :letter="letter"
    >
    </city-list>
    <city-alphabet :cities="cities" @change="handleLetterClick"></city-alphabet>
  </div>
</template>  
<script>
import CityHeader from "./components/Header.vue";
import CitySearch from "./components/Search.vue";
import CityList from "./components/List.vue";
import CityAlphabet from "./components/Alphabet.vue";
import axios from "axios";
export default {
  name: "City",
  components: {
    CityHeader,
    CitySearch,
    CityList,
    CityAlphabet
  },
  data() {
    return {
      hotCities: [],
      cities: {},
      letter: ""
    };
  },
  methods: {
    getCityInfo() {
      axios.get("/api/city.json").then(res => {
        res = res.data;
        if (res.ret && res.data) {
          const data = res.data;
          this.cities = data.cities;
          this.hotCities = data.hotCities;
        }
      });
    },
    handleLetterClick(letter) {
      this.letter = letter;
    }
  },
  mounted() {
    this.getCityInfo();
  }
};
</script>
<style lang="stylus" scoped>
</style>
